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Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Additional Information (Detail)
$ in Millions
 12 Months Ended
Apr. 29, 2024
MXN ($)
Oct. 06, 2022
MXN ($)
Nov. 23, 2021
MXN ($)
Nov. 23, 2021
USD ($)
Sep. 15, 2021
MXN ($)
Sep. 15, 2021
USD ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
MXN ($)
Dec. 31, 2021
MXN ($)
Dec. 31, 2018
Dec. 31, 2023
USD ($)
Sep. 14, 2020
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Cumulative index             3,576.4 3,576.4          
Percentage of annual basis index             211.41% 211.41%          
Closing exchange rate 1.55                        
Cumulative translation (loss) gain             $ (274,303,207,000)   $ (227,044,342,000)     $ (16,237.0)  
Impairment losses on goodwill             0   0 $ 0      
Borrowing costs capitalised             1,442,077,000   1,514,654,000 1,527,259,000      
Impairment losses             0   0 0      
Impairment losses on intangibles             $ 0   0 0      
Description of estimation of impairment cash-generating unit             In the estimation of impairments, the Company uses the strategic plans established for the separate cash-generating units to which the assets are assigned. Such strategic plans generally cover a period from 3 to 5 years. For longer periods, beginning in the fifth year, projections are based on such strategic plans while applying a constant or declining expected perpetual growth rate. In the estimation of impairments, the Company uses the strategic plans established for the separate cash-generating units to which the assets are assigned. Such strategic plans generally cover a period from 3 to 5 years. For longer periods, beginning in the fifth year, projections are based on such strategic plans while applying a constant or declining expected perpetual growth rate.          
Percentage of sensitivity analysis for increase in capital expenditures             5.00% 5.00%          
Monthly contributions to pension fund             17.50% 17.50%          
Percentage of employee profit sharing based on individual company taxable income             10.00% 10.00%          
Advertising expenses             $ 11,781,250,000   12,676,350,000 11,118,723,000      
Increase (decrease) in interest expense             $ 500,677,052,000   510,589,480,000        
Concentration risk percentage             10.00%         10.00%  
Proceeds from sale of Subsidiary                 5,791,488,000 75,518,886,000      
Accumelated Foreign Currency Translation Effect   $ 6,943,753,000     $ 1,750,451,000                
Percentage Of Devaluation In Exchange Rate Value             80.90%         80.90%  
Foreign exchange gain (loss) $ 17,155.2000           $ 14,653,523,000 $ 867.0 $ 20,761,622,000 $ (16,714,847,000)      
CAPEX [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Adjustments of sensitivity analysis long-life assets             1,208,795,000            
CGU [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Adjustments of sensitivity analysis long-life assets             $ 1,235,848,000            
Argentina pesos [Member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Foreign exchange loss rate             60.00%         60.00%  
Foreign subsidiaries [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Consolidated operating revenues             60.00% 60.00% 63.00% 63.00%      
Percentage of operating revenue as percentage of total assets             65.00% 65.00% 64.00%        
Tracfone Wireless Inc Tracfone [member] | Verizon Communications Inc [Member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Percentage of ownership interest in subsidiary agreed to sell                         100.00%
Tracfone Wireless Inc Tracfone [member] | Verizon Communications Inc [Member] | Discontinued operations [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Percentage of ownership interest in subsidiary sold       100.00%           100.00%      
Proceeds from sale of Subsidiary     $ 3,625,700,000                    
Cash and cash equivalents in subsidiary or businesses acquired or disposed       $ 500.7                  
Value of Shares received on sale of subsidiary from Counterparty       2,968.0                  
Earntout contingent consideration receivable tranche one       500.0                  
Earntout contingent consideration receivable tranche two       $ 150.0                  
Gains (losses) recognised when control of subsidiary is lost     $ 106,527,287,000                    
Claro Panama [Member] | Liberty Latin America [Member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Percentage of ownership interest in subsidiary agreed to sell           100.00%              
Consideration transferred, acquisition-date fair value           $ 200.0              
Claro Panama [Member] | Liberty Latin America [Member] | Discontinued operations [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Percentage of ownership interest in subsidiary sold           100.00%              
Proceeds from sale of Subsidiary           $ 116.7              
Gains (losses) recognised when control of subsidiary is lost   $ 707,245,000     $ 3,405,014,000                
Interest rate risk [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Increase in basis points             100.00% 100.00%          
Increase in net interest expense             $ (4,941,344,000)   $ (11,128,215,000)        
Decrease in interest expense             $ 8,046,987,000   $ 1,828,215,000        
Currency risk [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Fluctuation in exchange rates             5.68%   6.33%     5.68%  
Increase (decrease) in interest expense             $ 500,677,051,000   $ 510,589,480,000        
Increase (decrease) through changes in foreign exchange rates, regulatory deferral account credit balances             525,710,904,000   536,118,954,000        
Increase (decrease) through changes in discount rates, regulatory deferral account credit balances             $ (475,643,199,000)   $ (485,060,006,000)        
Increase/(decrease) in exchange rates             5.00% 5.00% 5.00%        
Argentina [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Closing exchange rate             0.0209   0.1096     0.0209  
Argentina [member] | Impact of application of hyperinflation adjustments in 2018 [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Cumulative inflation percentage                     100.00%    
U.S.A. [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Closing exchange rate             16.8935   19.4143     16.8935  
Cumulative translation adjustment [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Closing exchange rate             0.0209   0.1096        
Cumulative translation (loss) gain             $ (164,975,378,000)   $ (128,299,347,000)        
VTR and Claro Chile [Member] | Agreement to Commence Joint Venture [Member] | Liberty Latin America [Member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Proportion of ownership interest in joint venture   50.00%                      
VTR and Claro Chile [Member] | Agreement to Commence Joint Venture [Member] | Amrica Movil [Member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Proportion of ownership interest in joint venture   50.00%                      
Licenses and rights of use [member] | Bottom of range [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Estimated useful lives             3 years 3 years          
Licenses and rights of use [member] | Top of range [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Estimated useful lives             30 years 30 years          
Trademarks [member] | Bottom of range [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Estimated useful lives             1 year 1 year          
Trademarks [member] | Top of range [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Estimated useful lives             10 years 10 years          
Customer relationships [member]                          
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items]                          
Estimated useful lives             5 years 5 years